POP3 (Post Office Protocol 3) is a mail service protocol that allows users to access and retrieve their email messages from a remote server to their local email client software (such as Microsoft Outlook, Mozilla Thunderbird, Apple Mail, or any other mail app). The service works by downloading and storing the email messages on the user’s device or computer, which can then be accessed and read offline. POP3 mail service is widely used for personal and business emails, and it’s easy to set up and use. However, it has some limitations like the messages are removed from the server once they are downloaded, making it difficult to access the same email on multiple devices.
